Hey Koen, I'm curious about the amounts that you've tried to withdraw at the ATMs in Cuba so far. I would suggest to try low amounts as that usually works best (from our own experience). If you try withdrawing €50 or in any case an amount lower than €100 then you have better chances to see a successful transaction!
We also checked other options that you have in Cuba to get cash: you can try going to CADECA, which are the official currency exchange points, and get cash over the counter.
Finally, thanks for sharing this experience with us! Thanks to your feedback we're able to improve usage of our cards further to ensure that you can pay freely all around the world 🙏